- Cronica general de España (Ocampo, Florián de)1
- Crypto-Jews1
- Crypto-Jews--Legal status, laws, etc.1
- Cuenca, Alonso Gaytan de1
- Cuenca, Francisco Gaytan de1
- Cuenca, Juan Gaytan de1
- Cáceres Gatica, Alonso de1
- Debtor and creditor1
- Debts, External1
- Decimas1
- Descripción de las Indias Occidentales (Herrera y Tordesillas, Antonio de)1
- Devices (Heraldry)1
- Devotional literature1
- Dialogues1
- Dialogues (Literature)1
- Dictionaries1
- Diplomatic and consular service, Venetian1
- Diplomatic relations1
- Discoveries in geography1
- Dispensations1